标题: In situ Electrochemical-Triggered Dopamine Enzymatic Polymerization for Self-Revealing and Self-Erasing Information Storage
作者: Liu, MY (Liu, Mengyi); Li, YT (Li, Yuting); Hu, F (Hu, Feng); Rao, RZ (Rao, Ruizhe); Li, XY (Li, Xiaoyang); Qiu, YH (Qiu, Yuhuan); Shi, XW (Shi, Xiaowen)
来源出版物: SMALL 文献号: e07359 DOI: 10.1002/smll.202507359 Early Access Date: OCT 2025 Published Date: 2025 OCT 6
摘要: Hydrogels are emerging as revolutionary information storage media due to their unprecedented responsive and reprogrammable properties. To address the challenge of dynamic information storage without the necessity for external stimuli, electrical writing techniques are adopted for creating dopamine-modified chitosan pattern hydrogel with both self-revealing and self-erasing capabilities, which is realized by modulation the oxidation rate of dopamine spatiotemporally. Specifically, the in situ electrochemical reaction on the surface of electrode initiates the cascade enzymatic canalization of dopamine confining the fast reaction within the writing area, which leads to quick information self-revealing. However, the subsequent air oxidation of dopamine in the unwritten area generally results in self-erasing information. This work pioneers the use of electrical methods to produce hydrogen peroxide on hydrogels, enabling rapid oxidation of dopamine and effective information storage within the hydrogel, which opens new avenues for patterned hydrogels with information storage capabilities.
作者关键词: chitosan; dopamine autoxidation; electrical writing; horseradish peroxidase; information storage
KeyWords Plus: HYDROGEL
地址: [Liu, Mengyi; Li, Yuting; Hu, Feng; Rao, Ruizhe; Li, Xiaoyang; Qiu, Yuhuan; Shi, Xiaowen] Wuhan Univ, Hubei Engn Ctr Nat Polymers Based Med Mat, Hubei Biomass Resource Chem & Environm Biotechnol, Sch Resource & Environm Sci,Key Lab Hubei Biomass, Wuhan 430079, Peoples R China.
通讯作者地址: Shi, XW (通讯作者)，Wuhan Univ, Hubei Engn Ctr Nat Polymers Based Med Mat, Hubei Biomass Resource Chem & Environm Biotechnol, Sch Resource & Environm Sci,Key Lab Hubei Biomass, Wuhan 430079, Peoples R China.
电子邮件地址: [email protected]
影响因子：12.1
